The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1997
Filed:
May. 24, 1995
Applicant:
Inventors:
Erik H Jonsson, Coraopolis, PA (US);
Philip E Yeske, Pittsburgh, PA (US);
Douglas A Wicks, Mt. Lebanon, PA (US);
Harald Pielartzik, Krefeld, DE;
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C08G / ; C09D / ;
U.S. Cl.
CPC ...
5483185 ; 528 49 ; 528 68 ; 528 69 ; 528 73 ; 528 75 ; 528 84 ; 5483001 ; 5483121 ; 5483137 ; 5483141 ; 5483144 ; 5483164 ; 5483171 ; 5483195 ;
Abstract
The invention relates to a thermoreversible process for the preparation of a hydantoin comprisng